#901313#901313

#901313 is a dark, vivid red. Relative luminance 0.064; OKLCH L 42.0% C 0.159 H 27.6°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#901313
RGB	rgb(144, 19, 19)
HSL	hsl(0, 77%, 32%)
HSV	hsv(0, 87%, 56%)
CMYK	cmyk(0%, 86.8%, 86.8%, 43.5%)
CIE-LAB	lab(30.51, 49.35, 35.24)
CIE-LCH	lch(30.51, 60.64, 35.53°)
OKLab	oklab(42% 0.1406 0.0734)
OKLCH	oklch(42% 0.159 27.6)
XYZ	xyz(11.8535, 6.4440, 1.2357)
Luminance	0.0644 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901313 #139090

analogous

#901352 #901313 #905213

triadic

#901313 #139013 #131390

tetradic

#901313 #529013 #139090 #521390

square

#901313 #529013 #139090 #521390

split-complementary

#901313 #139052 #135290

monochromatic

#240505 #5A0C0C #901313 #C61A1A #E53939

Accessibility & contrast

On white

9.18

#901313 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#901313 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901313

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901313	#FFFFFF	#000000	##FFFFFF
##901313	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3711

Deuteranopia (green-blind)

#5C510B

Tritanopia (blue-blind)

#9F0016

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #901313;
/* rgb */ color: rgb(144, 19, 19);
/* oklch */ color: oklch(42.0% 0.159 27.6);

Tailwind

colors: {
  custom: {
    50: '#ba6152',
    500: '#901313',
    950: '#000000',
  },
}

SCSS

$custom: #901313;
$custom-light: #ba6152;
$custom-dark: #000000;

JSON

{
  "hex": "#901313",
  "rgb": {
    "r": 144,
    "g": 19,
    "b": 19
  },
  "hsl": {
    "h": 0,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42001,
    "c": 0.15862,
    "h": 27.6
  },
  "luminance": 0.06442
}

Semantic roles & 50–950 ramp

primary

#901313

secondary

#3BC4C4

accent

#F3F335

background

#FCF6F4

surface

#F9EBE7

border

#D2C6C3

text

#140602

muted

#827A78

Preview Lab

Preview with #901313

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →